<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>await</title>
	</head>

	<body>
		<script>
			//创建 promise 对象
			const p = new Promise((resolve, reject) => {
				// resolve("用户数据");
				reject("失败啦!");
			});

			// await 要放在 async 函数中.
			async function main() {
				try {
					let result = await p;
					//
					console.log(result);
				} catch (e) {
					console.log(e);
				}
			}
			//调用函数
			main();
		</script>
	</body>
</html>
